Device for measuring the flow of water.



LA. HILLER. DEVICE FOR MEASURING THE PLOW OF WATER. APPLICATION FILED $1111.21} 1910.

1,041,470.. Patented 0011111912.

' UNITE STATES JOHN A. KILLER, F CINCINNATI, OHIO, ASSIGNOR TO NATIONAL WATER MAIN CLEANING COMPANY, OF NEW YORK, N. Y., A CORPORATION OF MAINE.

. DEVICE FOR MEASURING THE OF WATER.

To all whom it may concern: Be it known that I, JOHN A. HILLER, a

' citizen of-the United States, and a resident of Cincinnati, in the county of Hamilton and State of Ohio, have invented certain new and useful Improvements in Devices for Measuring the Flow of Water, of which the following is a s*- ecification.

My invention rel' tes generally to devices for measuring fluid-pressures, and'has reference to that type of measuring device wherein a Pitot tube, operatively connected with a pressure gage or similar indicating instrument, is employed.

More specifically, the invention relates to the means for attaching the measuring instrument and its Pitot tube connection to the conduit through which the water, of which the pressure is to be measured, flows.

The primary object of the invention is to provide attaching means of this character whereby the Pitot tube may be adjusted both circumferentially and radially in relation to theconduit, so that the induction end of the Pitot tube may be placed at practically any point in the stream or current passing through the conduit thus obtaining readings for every point of the current.

A further object of the invention is to provide a simple form'of attaching means, preferably formed integral and having means by which the tube may be removably yet firmly retained. in adjusted position, so that the accuracy of the indications will not be jeopardized by accidental displacement of the Pitot tube.

The invention is susceptible of embodiment in numerous forms, the form at present preferred by me being illustrated in the accompanying drawing, wherein- Figure 1 is an elevation partly in section of the device attached to a fire hydrant. Fig. 2 is a section on line 22 of Fig. ,2. Fig. 3 is an elevation partly in section of the Pitot tube. Fig. 4 is a section on the line 4-4 of Fig. 3.

Referring to the drawing there is shown a fire hydrant 1, to which is attached a cone 2 terminating at its narrower end in a cylindei' 3. Formed on the cylinder 3 are collars .5 serving to support and guide split rings 5, which are attached to or fiormed integrally with an upright bracket 4 wherein the'Pitot tube and gage, more fully here- Spe'cification of Letters Patent. Application filed January 21, 1910. Serial No. 539,32?

Patented Oct. 15,1912.

the screws 6. Projecting from the bracket 4, preferably from one end of its lateral edges at substantially rightangles to the split rings 5 areguide members or eyes 4 through which passes a hollow stem or tube 9, carrying a pressure gage 8 and held in place by the set screw 10. The tube 9 may be moved axially in the eyes 4 and held in its adjusted position by screwing home the set screw 10. To the hollow'stem 9 is attached a Pitot tube 7, the portion of which which is placed in operative relation to-the outlet end of the cylinder 3 consisting of the narrow bent tube I1.

The device is used as follows :--The cone 2 is first attached to the spout of a fire hydrant, by means of a scr'ew'thread or in any other ,way. The bracket-4 is made to assume a substantially upright position and radially in relation to the cylinder 3 and may be made to assume any radial position in the diameter of the opening of the horizontal tube 3. By rotating the split rings 5 about the cylinder 3, thus settingthe tube 9 at any desired angle the horizontal termiml of the tube is adjusted circumferentially in relation to the cylinder 3, and may in like manner be made to assume any position in relation to the circumference of the cylindrical portion 3, and the pressure of the issuing water may be measured at different points from which, and the known diameter of the tube 3, the average pressure and the average flow of water may be calculated. By causing the cone 2 to terminate in a contracted cylinder, air pockets in the issuing water are avoided. By means of this device the pressure of the issuing water is very easily, cj'uickly, and accurately determined and from the measurement obtained the rate of,fiow of the issuing water is readily determined by means of tables prepared for the purpose.

The device is inexpensive and of simple construction, not likely to get out of order and is readily attached and detached.

What I claim as new is: 1. In a device of the'character described, the combination with a fluid conduit, of a Pitot tube operatively associated therewith, and means whereby said Pitot tube may be adjusted circumferentially in relation to said conduit and retained in such adjusted positign.

Zfln a device of the character described, the combination with a fiuid conduit, of a Pitot tube operat-ively associated therewith, means for supporting said Pitot tube in relation to said conduit, and means wherein said Pitot tube may be adjusted radially in relation to said conduit and retained at any desired point of such adjustment.

3. In a device of the character described, the combination with a fluid conduit, of a Pitot tube having its induction end normally directed toward the outlet end of said conduit, supporting means for said Pitot tube adjustable circumferentially in relation to said conduit, and means for retaining said supporting means in adjusted position.

4. In a device of the character described,

4 the combination with a fluid conduit, of a Pitot tube having its induct-ion end normally directed toward the outlet end of said conduit, and a support for said Pitot tube, said support being adjustable circumferentially in relation to said conduit and embodying means wherein said Iitot tube may be adjusted radially in relation to said conduit.

5. In a device of the character described,

conduit, a support for said Pitot tube, said support being adjustable circumferentially in relation to said conduit and embodying means wherein said Pitot tube may be adjusted radially in relation to saidconduit,

means for. retaining the support in adjusted circumferential position, and means for retaining the Pitot tube in adjusted radial position.

6. In a device of the character described, the combination witha fluid conduit, of a bracket having rings embracing said conduit and revoluble thereabout, means on at right angles to the rings, a Pitot tube adjustable in said eyes radially ofthe conduit, and means for retaining said 'Pitot tube in its adjusted posit-ion in said rii'igsz Signed at Cincinnati in the county of Hamilton and State of Ohio this15 day of,

January A. D. 1910. 1

JOHN A. HILLER.

\Vitnesses i '1. H. GASSILLY, GEO. F. WHITNEY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents.

* Washington, D. o. 

